Patents by Inventor Pierre-Yves Le Roy

Pierre-Yves Le Roy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Derivatives of the sinapinic acid
    Patent number: 9463338
    Abstract: The object of the present invention is a compound of general formula (I) as well as to its pharmaceutically acceptable salt, and to the use of this compound for cosmetic and pharmaceutical applications.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: October 11, 2016
    Assignee: PHARMASYNTHESE
    Inventors: Pierre-Yves Le Roy, Yves Le Guen
  • DERIVATIVES OF THE SINAPINIC ACID
    Publication number: 20150353469
    Abstract: The object of the present invention is a compound of general formula (I) as well as to its pharmaceutically acceptable salt, and to the use of this compound for cosmetic and pharmaceutical applications.
    Type: Application
    Filed: January 7, 2014
    Publication date: December 10, 2015
    Inventors: Pierre-Yves LE ROY, Yves LE GUEN
  • Process for the preparation of N,N?-carbonylbislactams
    Patent number: 6699988
    Abstract: The invention relates to a process for the preparation of N,N′-carbonylbislactams by reaction of phosgene with at least one lactam which is characterized in that the tertiary amine is chosen from the group consisting of non-nucleophilic aliphatic tertiary amines. N,N′-Carbonylbislactams of high purity are thus obtained with good yields, both in the laboratory and on the industrial scale.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: March 2, 2004
    Assignee: SNPE
    Inventors: Hubert Bonnard, Laurence Ferruccio, Jean-Pierre Senet, Pierre-Yves Le Roy
  • Process for the preparation of N,N' -carbonylbislactams
    Publication number: 20010044532
    Abstract: The invention relates to a process for the preparation of N,N′-carbonylbislactams by reaction of phosgene with at least one lactam which is characterized in that the tertiary amine is chosen from the group consisting of non-nucleophilic aliphatic tertiary amines.
    Type: Application
    Filed: April 23, 2001
    Publication date: November 22, 2001
    Inventors: Hubert Bonnard, Laurence Ferruccio, Jean-Pierre Senet, Pierre-Yves Le Roy